... genes and causing mutations. Such genetic havoc is thought to underlie many diseases, including cancer.
A high rate of mutations also disturbs gametogenesis the process of creating viable sex cells and can result in sterility. Piwi proteins and piRNAs form something akin to an immune system in sex cells ...

... distinct types of gametes , and in which each ... gametogenesis is a process by which diploid or haploid precursor cells undergo ... gametes . Depending on the biological life cycle of the organism, gametogenesis occurs ... Dictionary.com - Largest free online dictionary and audio ...

... , an oocyte that has begun but not completed ... Human Anatomy question: How many chromosomes does the primary oocyte have? 92 In women, gametogenesis begins in fetal life, but is arrested in prophase of meiosis I ... Primary , oocyte ,biological ,biology dictionary,biology ...

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